D 12
multiply six times two answer is 12
Answer:
63
Step-by-step explanation:
first yoy need to put the biggest number on the top then multiply each number
V=

note, r and R are differnt
so multipl both sides by (r+R)
V(r+R)=12R
distribute
Vr+VR=12R
minus VR from both sides
Vr=12R-VR
undistribute R
Vr=R(12-V)
divide both sides by (12-V)

or